Overview
The Sick EL1N-123S04 is a compact photoelectric sensor designed for reliable object detection in industrial automation, packaging, and material handling systems. This new, no-box unit (part number 1043074) provides consistent sensing performance for diffuse or retro-reflective detection modes. As a Sick product, it meets established quality standards for harsh industrial environments.
Key Features
- Compact form factor suitable for space-constrained mounting applications
- Solid-state output for direct integration with PLC and relay logic
- Durable construction for industrial automation and material handling
- New condition, tested and ready for immediate deployment
- Cost-effective alternative for system upgrades and replacements
Technical Specifications
Verify exact operating specifications with the manufacturer datasheet or your system integrator before final installation, as EL1N series configurations vary by suffix code.
Typical Applications
- Object detection on conveyor systems and assembly lines
- Package and part counting in material handling operations
- Position sensing for automation equipment and machinery
- Integrated sensor solutions requiring compact mounting
Compatibility & Replacements
Compatible With
- Allen-Bradley CompactLogix and ControlLogix PLCs with photoelectric sensor inputs
- Siemens S7-1200/1500 series controllers
- Standard 24 VDC industrial control circuits
- Relay logic and discrete input modules
- Sick EtherCAT and IO-Link automation networks
Replaces / Drop-In Replacement For
The Sick EL1N-123S04 is compatible with legacy EL1N series photoelectric sensors. Verify exact model interchangeability with Sick technical support or the original equipment documentation before ordering.
Works With
- Discrete 24 VDC input modules on industrial PLCs
- Conventional relay-based control systems
- Hard-wired automation panels and machinery controls
- Sick sensor configuration software (where applicable)










